208753121 has 8 divisors (see below), whose sum is σ = 210672000. Its totient is φ = 206841600.

The previous prime is 208753109. The next prime is 208753123. The reversal of 208753121 is 121357802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 208753121 - 2¹⁰ = 208752097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208753123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66260 + ... + 69338.

It is an arithmetic number, because the mean of its divisors is an integer number (26334000).

Almost surely, 2^208753121 is an apocalyptic number.

It is an amenable number.

208753121 is a deficient number, since it is larger than the sum of its proper divisors (1918879).

208753121 is a wasteful number, since it uses less digits than its factorization.

208753121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 208753121 is about 14448.2912830549. The cubic root of 208753121 is about 593.2134542628.

The spelling of 208753121 in words is "two hundred eight million, seven hundred fifty-three thousand, one hundred twenty-one".